package com.byt.common.util;

import android.util.Log;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;

public class ProgressBeanUtil {
    private ProgressBeanUtil() {

    }

    /**
     * 直接设置对象属性值,无视private/protected修饰符,不经过setter函数.
     */
    public static void setFieldValue(final Object object, final String fieldName,
                                     final Object value) {
        Field field = getDeclaredField(object, fieldName);
        if (field == null) {
            throw new IllegalArgumentException(
                    "Could not find field [" + fieldName + "] on target [" + object + "]");
        }
        makeAccessible(field);

        try {

            field.set(object, value);
        } catch (IllegalAccessException e) {

            Log.e("zbkc", "", e);
        }
    }

    /**
     * 循环向上转型,获取对象的DeclaredField.
     */

    protected static Field getDeclaredField(final Object object, final String fieldName) {

        return getDeclaredField(object.getClass(), fieldName);
    }

    /**
     * 循环向上转型,获取类的DeclaredField.
     */

    @SuppressWarnings("unchecked")
    protected static Field getDeclaredField(final Class clazz,
                                            final String fieldName) {

        for (Class superClass = clazz; superClass != Object.class;
             superClass = superClass.getSuperclass()) {

            try {

                return superClass.getDeclaredField(fieldName);
            } catch (NoSuchFieldException e) {

                // Field不在当前类定义,继续向上转型

            }
        }

        return null;
    }

    /**
     * 强制转换fileld可访问.
     */

    protected static void makeAccessible(Field field) {

        if (!Modifier.isPublic(field.getModifiers()) || !Modifier.isPublic(
                field.getDeclaringClass().getModifiers())) {

            field.setAccessible(true);
        }
    }
}
